Earth Screw Helical Ground Anchors

Earth screw helical ground anchors/helix ground screws:

Size 350mm helical ground anchors with 90mm pitch heavy duty designs are rated for 10,000 ft.lbs (14 KNm) torque and the thread is rated at 144KN in keeping with the rating for M24 thimble eye nuts. And the threads usually take well over 200KN. 

The main purpose of a helical anchor is to transfer the structural load to the soil. There are various other applications also like tension, compression, and lateral load where helical anchors are used.

Helical anchors are installed before pouring the foundation or the soil foundation has been damaged
Helical anchors are screwed into the soil and depending upon the location they are attached to the pre-existing foundation with brackets or screws. After the helical anchors are installed the foundation is safe and is ready to combat any future damage due to compression and tension.

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